aws-lambda-context
AWS Lambda Context class for type checking and testing
Decision gist · record as of 2026-08-14
Yes, if you are type-checking existing Lambda handlers or writing tests for them and need the context class definition. The package is abandoned and will not receive updates, so it is suitable only for stable, long-lived codebases that do not expect the AWS Lambda context shape to change. If you need current AWS Lambda typing support, verify that the context class matches your runtime version.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.6 or later.
- Low install friction with no runtime dependencies.
- Package is abandoned (last release 2019-07-17, 2585 days ago) but marked Production/Stable; use only if you accept no future maintenance.
License · maintenance · safety
permissive license (permissive) — MIT license (permissive); you may use, modify, and distribute freely with attribution.
last release 2019-07-17 (2585 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 174,528 downloads/mo, #10,280 on PyPI
Alternatives
Verify before relying
pip install aws-lambda-context
from aws_lambda_context import LambdaContext
def my_lambda_handler(event: Any, context: LambdaContext) -> None:
pass- Whether the LambdaContext class definition matches the current AWS Lambda runtime context object shape and all its attributes.
- Whether type checking with mypy works correctly with modern mypy versions given the package's age.
What it is and what it does
aws-lambda-context is a minimal library that exports the AWS Lambda Context class for use in Python Lambda handler functions. It serves two purposes: enabling static type checking of the context parameter in your handler via type hints (so mypy and IDEs can validate your code), and providing mock-friendly versions of the context and related classes for unit testing without invoking actual Lambda.
The package contains no runtime dependencies and is a pure Python module. It exports LambdaContext, LambdaCognitoIdentity, LambdaClientContext, and LambdaClientContextMobileClient as dataclass-like objects you can instantiate and configure in tests. The library is abandoned (last release July 2019) but marked stable; it works with Python 3.6 and later.
Use it for
- Add type hints to Lambda handler functions so mypy and your IDE can catch context-related type errors before deployment.
- Mock the Lambda context object in unit tests without needing to invoke actual Lambda or AWS services.
- Build test fixtures that populate all context attributes (function name, request ID, Cognito identity, etc.) for deterministic handler testing.
- Enable editor auto-completion for context properties in your handler code.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are type-checking existing Lambda handlers or writing tests for them and need the context class definition.
The package is abandoned and will not receive updates, so it is suitable only for stable, long-lived codebases that do not expect the AWS Lambda context shape to change. If you need current AWS Lambda typing support, verify that the context class matches your runtime version.
Install
aws-lambda-context on PyPI
Before you install
Low install friction with no runtime dependencies. Package is abandoned (last release 2019-07-17, 2585 days ago) but marked Production/Stable; use only if you accept no future maintenance.
Requires Python 3.6 or later.
License in practice
MIT license (permissive); you may use, modify, and distribute freely with attribution.
Quickstart
pip install aws-lambda-context
from aws_lambda_context import LambdaContext
def my_lambda_handler(event: Any, context: LambdaContext) -> None:
passVerify before relying
- Whether the LambdaContext class definition matches the current AWS Lambda runtime context object shape and all its attributes.
- Whether type checking with mypy works correctly with modern mypy versions given the package's age.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >= 3.6 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Abandoned 2,585 days since the last release |
| First released | |
| Downloads | 174,528 / month, #10,280 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableLicense :: OSI Approved :: MIT LicenseProgramming Language :: Python :: 3Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7 |
Evidence: aws_lambda_context-1.1.0-py3-none-any.whl
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